JP2008521205A5 - - Google Patents

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Publication number
JP2008521205A5
JP2008521205A5 JP2007543284A JP2007543284A JP2008521205A5 JP 2008521205 A5 JP2008521205 A5 JP 2008521205A5 JP 2007543284 A JP2007543284 A JP 2007543284A JP 2007543284 A JP2007543284 A JP 2007543284A JP 2008521205 A5 JP2008521205 A5 JP 2008521205A5
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JP
Japan
Prior art keywords
switch
electrical circuit
deformation element
fixed
electrode
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JP2007543284A
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Japanese (ja)
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JP2008521205A (en
JP4846728B2 (en
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Priority claimed from US10/999,645 external-priority patent/US7283030B2/en
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Publication of JP2008521205A publication Critical patent/JP2008521205A/en
Publication of JP2008521205A5 publication Critical patent/JP2008521205A5/ja
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Publication of JP4846728B2 publication Critical patent/JP4846728B2/en
Expired - Fee Related legal-status Critical Current
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Claims (2)

電気回路を制御するためのノーマリークローズマイクロスイッチであって、
（ａ）相対する固定端縁を有するくぼみ部が形成されたベース素子と、
（ｂ）前記ベース素子により支持される間隔保持構造と、
（ｃ）前記間隔保持構造によって支持される第一のスイッチ電極と、前記第一のスイッチ電極と離間させて配置される第二のスイッチ電極と、前記第一と第二のスイッチ電極を電気的に連結して前記電気回路を閉じるための制御電極と、
（ｄ）前記相対する固定端縁に接合され、前記制御電極を圧迫して前記第一と第二のスイッチ電極と電気的に接触させる変形素子であって、低い熱膨張率を有する第一の材料の第一の層と高い熱膨張率を有する第二の材料の第二の層とを含む平坦積層構造として構成され、前記固定端縁に隣接する固定部分と前記固定部分の間の中央部分を有し、前記固定部分の曲げ剛性が前記中央部分の曲げ剛性より実質的に低い変形素子と、
（ｅ）前記変形素子に熱パルスを印加し、前記変形素子の温度を急上昇させる装置であって、前記変形素子が前記制御電極を前記第一のスイッチ電極と接触させない方向にたわみ、それによって前記電気回路を開け、その後、温度が下降すると、たわみが解放され、前記電気回路を閉じるようにする装置と、
を備えることを特徴とするノーマリークローズマイクロスイッチ。 A normally closed microswitch for controlling an electrical circuit,
(A) a base element formed with a recess having an opposite fixed edge;
(B) a spacing structure supported by the base element;
(C) electrically connecting the first switch electrode supported by the spacing structure, the second switch electrode spaced apart from the first switch electrode, and the first and second switch electrodes; A control electrode coupled to the electrical circuit to close the electrical circuit;
(D) A deformation element joined to the opposing fixed edges and pressing the control electrode to make electrical contact with the first and second switch electrodes, the first having a low coefficient of thermal expansion A central portion between the fixed portion adjacent to the fixed edge and configured as a flat laminated structure comprising a first layer of material and a second layer of a second material having a high coefficient of thermal expansion A deformation element having a bending stiffness of the fixed portion substantially lower than that of the central portion;
(E) a device for applying a heat pulse to the deformation element to rapidly increase the temperature of the deformation element, wherein the deformation element bends in a direction not to contact the control electrode with the first switch electrode; A device that opens an electrical circuit and then releases the deflection when the temperature drops, and closes the electrical circuit;
A normally closed micro switch. 電気回路を制御するためのノーマリーオープンマイクロスイッチであって、
（ａ）相対する固定端縁を有するくぼみ部が形成されたベース素子と、
（ｂ）前記ベース素子により支持される間隔保持構造と、
（ｃ）前記間隔保持構造によって支持される第一のスイッチ電極と、前記第一のスイッチ電極と離間させて配置される第二のスイッチ電極と、前記第一と第二のスイッチ電極を電気的に連結して前記電気回路を閉じるための制御電極と、
（ｄ）前記相対する固定端縁に接合され、前記制御電極を前記第一のスイッチ電極の近位に位置づける変形素子であって、低い熱膨張率を有する第一の材料の第一の層と高い熱膨張率を有する第二の材料の第二の層とを含む平坦積層構造として構成され、前記固定端縁に隣接する固定部分と前記固定部分の間の中央部分を有し、前記固定部分の曲げ剛性が前記中央部分の曲げ剛性より実質的に低い変形素子と、
（ｅ）前記変形素子に熱パルスを印加し、前記変形素子の温度を急上昇させる装置であって、前記変形素子が前記制御電極を前記第一のスイッチ電極及び第二のスイッチ電極と接触させる方向にたわみ、それによって前記電気回路を閉じ、その後、温度が下降すると、たわみが解放され、前記電気回路を開けるようにする装置と、
を備えることを特徴とするノーマリーオープンマイクロスイッチ。
 A normally open microswitch for controlling electrical circuits ,
(A) a base element formed with a recess having an opposite fixed edge;
(B) a spacing structure supported by the base element;
(C) electrically connecting the first switch electrode supported by the spacing structure, the second switch electrode spaced apart from the first switch electrode, and the first and second switch electrodes; A control electrode coupled to the electrical circuit to close the electrical circuit;
(D) a deformation element joined to the opposed fixed edges and positioning the control electrode proximal to the first switch electrode, the first layer of a first material having a low coefficient of thermal expansion; A fixed layer structure comprising a second layer of a second material having a high coefficient of thermal expansion, having a fixed part adjacent to the fixed edge and a central part between the fixed parts, the fixed part A deformation element whose bending stiffness is substantially lower than the bending stiffness of the central portion;
(E) A device for applying a heat pulse to the deformation element to rapidly increase the temperature of the deformation element, wherein the deformation element makes the control electrode contact the first switch electrode and the second switch electrode. A device that causes the deflection to be released and the electrical circuit to be opened when the temperature drops, thereby closing the electrical circuit;
A normally open micro switch, characterized in that it comprises a.
JP2007543284A 2004-11-22 2005-11-18 Two-point fixed thermal actuator with varying bending stiffness Expired - Fee Related JP4846728B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/999,645 2004-11-22
US10/999,645 US7283030B2 (en) 2004-11-22 2004-11-22 Doubly-anchored thermal actuator having varying flexural rigidity
PCT/US2005/041867 WO2006057910A1 (en) 2004-11-22 2005-11-18 Doubly-anchored thermal actuator having varying flexural rigidity

Publications (3)

Publication Number Publication Date
JP2008521205A JP2008521205A (en) 2008-06-19
JP2008521205A5 true JP2008521205A5 (en) 2008-12-18
JP4846728B2 JP4846728B2 (en) 2011-12-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007543284A Expired - Fee Related JP4846728B2 (en) 2004-11-22 2005-11-18 Two-point fixed thermal actuator with varying bending stiffness

Country Status (4)

Country Link
US (2) US7283030B2 (en)
EP (1) EP1815488A1 (en)
JP (1) JP4846728B2 (en)
WO (1) WO2006057910A1 (en)

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